As the longevity movement explodes in popularity, Lotte Jeffs goes in search of the treatments and formulas that promise to ...

When an interstellar visitor slices through the solar system, astronomers usually have to make do with a fleeting, side-on ...

Muscle tends to come back faster the second time because when you’ve built it once, your muscle fibers retain extra myonuclei ...

The Navy unveiled its new physical fitness assessment cycle on Tuesday, requiring sailors to undergo two PFAs per calendar ...